Visit the following Wikipedia article and under “List of culture jamming organizations or people” select a topic to create a simple Jam.
http://nofatclips.com/02007/11/18/adidas/_impossible_nothing.jpg
http://nofatclips.com/02007/11/18/adidas/_impossible_nothing.jpg

The idea of cultural jamming is apparent in this famous slogan of Adidas-Impossble is Nothing. As adidas is directed mostly towards sports persons and people involved in sports, the quote can be linked to adidas motto that its products will enhance sporting ability.